BENEFIT PLANS (Tables)

3 Months Ended

Mar. 31, 2021

Pension Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

PENSION BENEFITS	Three Months Ended
	March 31
in thousands	2021	2020
Components of Net Periodic Benefit Cost
Service cost	$        1,193	$        1,331
Interest cost	4,879	7,531
Expected return on plan assets	(11,375)	(12,485)
Amortization of prior service cost	337	335
Amortization of actuarial loss	2,178	3,140
Net periodic pension benefit credit	$       (2,788)	$          (148)
Pretax reclassifications from AOCI included in
net periodic pension benefit cost	$        2,515	$        3,475

Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

OTHER POSTRETIREMENT BENEFITS	Three Months Ended
	March 31
in thousands	2021	2020
Components of Net Periodic Benefit Cost
Service cost	$           265	$           380
Interest cost	106	242
Amortization of prior service credit	(476)	(980)
Amortization of actuarial gain	(367)	(201)
Net periodic postretirement benefit credit	$          (472)	$          (559)
Pretax reclassifications from AOCI included in
net periodic postretirement benefit credit	$          (843)	$       (1,181)